3" x 50 Yards Aluminum Foil Tape, HVAC Contractor Grade

Shurtape AF 975CT Aluminum Foil Tape – 3" Linered, Cold Temperature Rated for HVAC Sealing

The Shurtape AF 975CT is a high-performance aluminum foil tape designed for sealing, patching, and joining aluminum-faced insulation and metal duct systems. Constructed from 2 mil dead-soft aluminum foil with a cold temperature acrylic adhesive, this product provides long-lasting adhesion in a wide range of environmental conditions.

This linered version is suitable for use where precise application and clean release are critical. The tape conforms well to irregular surfaces and delivers reliable vapor barrier performance, making it suitable for use in rigid and flexible air handling systems, including UL 181A-P and UL 181B-FX compliant applications when installed to code.

Product Features

• Adhesive Type: Cold temperature acrylic with release liner for clean application
• Temperature Range: -20°F to 260°F (-29°C to 127°C)
• Foil Backing: 2 mil dead-soft aluminum provides strength and conformability
• Total Thickness: 7.3 mil (with liner); 4.0 mil (without liner)
• Water Vapor Barrier: Maintains a low permeability seal in HVAC systems
• UL Listing: UL 181A-P and UL 181B-FX Listed when installed per system requirements

Technical Specifications

• Width: 72 mm (3 inches)
• Length: 46 m (150 ft)
• Adhesion to Steel: 64 oz/in width
• Tensile Strength: 18 lb/in width

Recommended Applications

• ✔ Sealing joints and seams on aluminum-faced fiberglass duct board
• ✔ Closure system for UL-rated rigid and flexible air duct systems
• ✔ General-purpose sealing, patchi